U.S. patent number 10,785,309 [Application Number 16/138,649] was granted by the patent office on 2020-09-22 for session monitoring method, apparatus, and system.
This patent grant is currently assigned to HUAWEI TECHNOLOGIES CO., LTD.. The grantee listed for this patent is HUAWEI TECHNOLOGIES CO., LTD.. Invention is credited to Hewei Liu, Lei Qiao.
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United States Patent |
10,785,309 |
Qiao , et al. |
September 22, 2020 |
Session monitoring method, apparatus, and system
Abstract
A session monitoring method is used for determining session
information in a service server, and the session information
includes at least one type of current session information or
historical session information. The current session information is
sent to a control device, and the current session information is
used by the control device to determine a control instruction. The
historical session information is sent to an analysis device, and
the historical session information is used by the analysis device
to analyze a historical session. The current session information is
analyzed, so as to obtain an analysis result of the current session
information. Therefore, data is separately processed according to a
requirement. This facilitates implementation of a session
monitoring solution, reduces resource consumption, and meets a
service requirement of session monitoring.
Inventors: |
Qiao; Lei (Beijing,
CN), Liu; Hewei (Hangzhou, CN) |
Applicant: |
Name |
City |
State |
Country |
Type |
HUAWEI TECHNOLOGIES CO., LTD. |
Shenzhen, Guangdong |
N/A |
CN |
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Assignee: |
HUAWEI TECHNOLOGIES CO., LTD.
(Shenzhen, Guangdong, CN)
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Family
ID: |
1000005072344 |
Appl.
No.: |
16/138,649 |
Filed: |
September 21, 2018 |
Prior Publication Data
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Document
Identifier |
Publication Date |
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US 20190028551 A1 |
Jan 24, 2019 |
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Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
Issue Date |
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PCT/CN2017/075021 |
Feb 27, 2017 |
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Foreign Application Priority Data
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Mar 25, 2016 [CN] |
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2016 1 0179769 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
H04L
67/22 (20130101); H04L 67/42 (20130101); H04L
67/1002 (20130101); H04L 67/1097 (20130101); H04L
67/146 (20130101); H04L 67/14 (20130101); H04L
29/08 (20130101); H04L 67/06 (20130101); Y02D
30/50 (20200801) |
Current International
Class: |
H04L
29/08 (20060101); H04L 29/06 (20060101) |
Field of
Search: |
;709/223 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
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101379761 |
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Mar 2009 |
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CN |
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102713877 |
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Oct 2012 |
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CN |
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103003802 |
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Mar 2013 |
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CN |
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104572420 |
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Apr 2015 |
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CN |
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105144108 |
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Dec 2015 |
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CN |
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Primary Examiner: Vostal; Ondrej C
Attorney, Agent or Firm: Womble Bond Dickinson (US) LLP
Parent Case Text
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of International Application No.
PCT/CN2017/075021, filed on Feb. 27, 2017, which claims priority to
Chinese Patent Application No. 201610179769.3, filed on Mar. 25,
2016. The disclosures of the aforementioned applications are hereby
incorporated by reference in their entireties.
Claims
What is claimed is:
1. A session monitoring method, comprising: determining session
information at a service server configured to establish a
connection to a client, wherein the session information is
generated from a session between the service server and the client
to which the connection is established, and the session information
comprises current session information and historical session
information, wherein a current session is an on-going session, and
a historical session is an ended session; sending the current
session information to a control device, wherein the current
session information is used by the control device to determine a
control instruction, and the control instruction comprises at least
one type of a first control instruction or a second control
instruction, wherein the first control instruction is used to
instruct the service server to perform one of the following
operations: continuing to send all of the current session
information to the control device, continuing to send some of the
current session information to the control device, or stopping
sending the current session information to the control device, and
wherein the second control instruction is used to instruct the
service server to stop or continue the current session; and sending
the historical session information to an analysis device, wherein
the historical session information is used by the analysis device
to analyze one or more historical sessions.
2. The method according to claim 1, further comprising: receiving
the first control instruction from the control device, and
determining, according to the first control instruction, the
current session information to be sent to the control device.
3. The method according to claim 1, further comprising: receiving
the second control instruction from the control device, and
continuing or stopping an on-going session with the client
according to the second control instruction.
4. A service server, comprising: a processor; a memory to store a
program and session information; a communications interface
communicatively coupled to an external device and a client; and a
bus, wherein the processor, the memory, and the communications
interface are communicatively coupled to each other via the bus,
wherein when the service server runs, the processor is configured
to execute the program stored in the memory to: determine session
information in the service server, wherein the session information
is generated from a session between the service server and the
client to which a connection is established, and the session
information comprises current session information and historical
session information, wherein a current session is an on-going
session, and a historical session is an ended session; send the
current session information to a control device, wherein the
current session information is used by the control device to
determine a control instruction, and the control instruction
comprises at least one type of a first control instruction or a
second control instruction, wherein the first control instruction
is used to instruct the service server to perform one of the
following operations: stopping sending the current session
information to the control device, continuing to send all of the
current session information to the control device, or continuing to
send some of the current session information to the control device,
and wherein the second control instruction is used to instruct the
service server to stop or continue the current session; and send
the historical session information to an analysis device, wherein
the historical session information is used by the analysis device
to analyze one or more historical sessions.
5. The service server according to claim 4, wherein the processor
is further to receive the first control instruction from the
control device, and to determine, according to the first control
instruction, the current session information to be sent to the
control device.
6. The service server according to claim 4, wherein the processor
is further to receive the second control instruction sent by the
control device, and to continue or stop an on-going session with
the client according to the second control instruction.
7. A non-transitory computer-readable medium storing computer
instructions which, when executed by one or more processors, cause
the one or more processors to perform a method for session
monitoring, the method comprising: determining session information
in a service server, wherein the session information is generated
from a session between the service server and a client to which a
connection between the service server and the client is
established, and the session information comprises current session
information and historical session information, wherein a current
session is an on-going session, and a historical session is an
ended session; sending the current session information to a control
device, wherein the current session information is used by the
control device to determine a control instruction, and the control
instruction comprises at least one type of a first control
instruction or a second control instruction, wherein the first
control instruction is used to instruct the service server to
perform one of the following operations: continuing to send all of
the current session information to the control device, continuing
to send some of the current session information to the control
device, or stopping sending the current session information to the
control device, and wherein the second control instruction is used
to instruct the service server to stop or continue the current
session; and sending the historical session information to an
analysis device, wherein the historical session information is used
by the analysis device to analyze one or more historical
session.
8. The non-transitory computer-readable medium according to claim
7, wherein the method further comprises: receiving the first
control instruction from the control device, and determining,
according to the first control instruction, the current session
information to be sent to the control device.
9. The non-transitory computer-readable medium according to claim
7, wherein the method further comprises: receiving the second
control instruction from the control device, and continuing or
stopping an on-going session with the client according to the
second control instruction.
Description
TECHNICAL FIELD
The present invention relates to the field of session monitoring,
and in particular, to a session monitoring method, apparatus, and
system.
BACKGROUND
Session monitoring mainly refers to recording and monitoring
related information of a status change of a session between a
client and a service server. For example, content such as a user
name, a client, a time stamp, or a session status is monitored and
used for charging, auditing, monitoring, data mining, or the
like.
In an existing session monitoring solution, a big data analysis
device may process historical session information in a service
server in an off-line manner, real-time performance is poor, and a
current session is difficult to be monitored directly.
Alternatively, a current session may be monitored in a polling
manner or by using an asynchronous trigger method. This is
unreliable, consumes a large quantity of resources, and cannot
maintain historical session information of a service. In
conclusion, the existing session monitoring solution is difficult
to implement, consumes a large quantity of resources, and cannot
meet a service requirement of session monitoring.
SUMMARY
Embodiments of the present invention provide a session monitoring
method, apparatus, and system in a distributed system, so as to
balance current session information and historical session
information. This is relatively easy to implement, and can better
balance system costs and a performance requirement of service
monitoring.
According to an aspect, an embodiment of the present invention
provides a session monitoring method. Session information in a
service server is determined, and the session information includes
at least one type of current session information or historical
session information. The current session information is sent to a
control device, and the current session information is used by the
control device to determine a control instruction. The control
instruction includes at least one type of a first control
instruction or a second control instruction. The first control
instruction is used to instruct the service server to perform one
of the following operations: stopping sending the current session
information, continuing to send all of the current session
information, or continuing to send some of the current session
information. The second control instruction is used to instruct the
service server to stop or continue the current session. The
historical session information is sent to an analysis device, and
the historical session information is used by the analysis device
to analyze a historical session. Therefore, a current session and a
historical session are separately processed according to a
requirement. Necessary current session information and unnecessary
current session information are determined according to the current
session. The necessary current session information is sent to the
control device, so as to reduce current session information sent to
the control device. This facilitates implementation of a session
monitoring solution, reduces resource consumption, and meets a
service requirement of session monitoring.
In an implementation, the method is used in a distributed storage
system. The distributed storage system further includes a load
balancing device and one or more service servers. The load
balancing device is configured to dispatch a request from a client
to the one or more service servers. Session information in the
service server is determined, and the session information includes
at least one type of current session information or historical
session information.
In one embodiment, the method further includes: receiving the first
control instruction sent by the control device, and determining,
according to the first control instruction, the current session
information to be sent to the control device. Therefore, the
current session is monitored in a more targeted manner, analysis
workload of the current session information is reduced, and
efficiency is improved.
In one embodiment, the method further includes: receiving the
second control instruction, and continuing or stopping the on-going
current session with the client according to the second control
instruction. Additional system consumption is saved by continuing
or stopping the session with the client.
According to another aspect, an embodiment of the present invention
provides a session monitoring method. A control device receives
current session information sent by a service server. The current
session information is analyzed, and a control instruction to be
sent to the service server is determined according to an analysis
result of the current session information. The control instruction
includes at least one type of a first control instruction or a
second control instruction. The first control instruction is used
to instruct the service server to perform one of the following
operations: continuing to send or stopping sending all of the
current session information, continuing to send some of the current
session information, or stopping sending the current session
information. The second control instruction is used to instruct the
service server to stop or continue a current session. The
determined control instruction is sent to the service server. The
current session information is analyzed, so as to obtain an
analysis result. The first control instruction and the second
control instruction are determined according to the analysis result
and sent to the service server, so that the current session
information is filtered, analyses of the received current session
information are reduced, and resource consumption of the control
device is reduced.
According to still another aspect, an embodiment of the present
invention provides a service server including a processing unit and
a sending unit. The processing unit is configured to determine
session information in the service server. The session information
includes at least one type of current session information or
historical session information. The sending unit is configured to
send the session information, and send the current session
information to a control device. The current session information is
used by the control device to determine a control instruction. The
control instruction includes at least one type of a first control
instruction or a second control instruction. The first control
instruction is used to instruct the service server to perform one
of the following operations: stopping sending the current session
information, continuing to send all of the current session
information, or continuing to send some of the current session
information. The second control instruction is used to instruct the
service server to stop or continue the current session. The
historical session information is sent to an analysis device, and
the historical session information is used by the analysis device
to analyze a historical session. Therefore, a current session and a
historical session are separately processed according to a
requirement. Necessary current session information and unnecessary
current session information are determined according to the current
session. Only the necessary current session information is sent to
the control device. This facilitates implementation of a session
monitoring solution, reduces resource consumption, and meets a
service requirement of session monitoring.
In one embodiment, the service server further includes an obtaining
unit, and the obtaining unit is configured to: receive the first
control instruction sent by the control device, and determine,
according to the first control instruction, the current session
information sent by the sending unit to the control device.
Therefore, the current session information is sent to the control
device in a targeted manner, a data analysis amount of a first
control device is reduced, and additional consumption is relatively
little.
In one embodiment, the service server further includes an obtaining
unit, and the obtaining unit is configured to: receive the second
control instruction sent by the control device, and determine,
according to the second control instruction, that the service
server continues or stops the on-going current session with the
client. Additional system consumption is saved by continuing or
stopping the session with the client.
According to yet another aspect, an embodiment of the present
invention provides a session control apparatus including a
receiving unit and a processing unit. The receiving unit is
configured to receive current session information from a service
server. The processing unit analyzes the current session
information, and determines, according to an analysis result of the
current session information, a control instruction to be sent to
the service server. The control instruction includes at least one
type of a first control instruction or a second control
instruction. The first control instruction is used to instruct the
service server to perform one of the following operations:
continuing to send all of the current session information, stopping
sending the current session information, or continuing to send some
of the current session information. The second control instruction
is used to instruct the service server to stop or continue a
current session. The determined control instruction is sent to the
service server. The current session information is analyzed, so as
to obtain an analysis result. The first control instruction and the
second control instruction are determined according to the analysis
result and sent to the service server, so that the current session
information is filtered. This facilitates implementation of a
session monitoring solution, reduces resource consumption, and
meets a service requirement of session monitoring.
According to a still yet another aspect, an embodiment of the
present invention provides a service server including a processor,
a memory, a communications interface, and a bus. The processor, the
memory, and the communications interface communicate by using the
bus. The communications interface is configured to connect to an
external device and a client. The memory stores session information
and a program. When the service server runs, the processor executes
the program stored in the memory. It is determined according to the
stored program that the session information in the service server
is current session information or historical session information.
The current session information is sent to a control device, and
the current session information is used by the control device to
determine a control instruction. The control instruction includes
at least one type of a first control instruction or a second
control instruction. The first control instruction is used to
instruct the service server to perform one of the following
operations: stopping sending the current session information,
continuing to send all of the current session information, or
continuing to send some of the current session information. The
second control instruction is used to instruct the service server
to stop or continue the current session. The historical session
information is sent to an analysis device, and the historical
session information is used by the analysis device to analyze a
historical session. Therefore, a current session and a historical
session are separately processed according to a requirement.
Necessary current session information and unnecessary current
session information are determined according to the current
session. Only the necessary current session information is sent to
the control device. This facilitates implementation of a session
monitoring solution, reduces resource consumption, and meets a
service requirement of session monitoring.
In one embodiment, the program is further used for receiving the
first control instruction sent by the control device, and
determining, according to the first control instruction, the
current session information to be sent to the control device.
In a possible design, the program is further used for receiving the
second control instruction sent by the control device, and
continuing or stopping the on-going current session with the client
according to the second control instruction.
According to a further aspect, an embodiment of the present
invention provides a service server including a processor, a
memory, a communications interface, and a bus. The processor, the
memory, and the communications interface communicate by using the
bus. The communications interface is configured to connect to an
external device and a client. The memory stores session information
and a program. When the service server runs, the processor executes
the program stored in the memory. Current session information sent
by the service server is received according to the stored program.
The current session information is analyzed, and a control
instruction to be sent to the service server is determined
according to an analysis result of the current session information.
The control instruction includes at least one type of a first
control instruction or a second control instruction. The first
control instruction is used to instruct the service server to
perform one of the following operations: continuing to send the
current session information, stopping sending all of the current
session information, or continuing to send some of the current
session information. The second control instruction is used to
instruct the service server to stop or continue the current
session. The determined control instruction is sent to the service
server. Therefore, the current session information is filtered, and
analyses of the received current session information are reduced.
This facilitates implementation of a session monitoring solution,
reduces resource consumption, and meets a service requirement of
session monitoring.
According to a still further aspect, an embodiment of the present
invention provides a session monitoring system including a service
server, a control device, and an analysis device. The service
server is configured to determine session information, and the
session information includes at least one type of current session
information or historical session information. The current session
information is sent to the control device, and the current session
information is used by the control device to determine a control
instruction. The control instruction includes at least one type of
a first control instruction or a second control instruction. The
first control instruction is used for performing one of the
following operations: The service server stops sending the current
session information, continues to send all of the current session
information, or continues to send some of the current session
information. The second control instruction is used to instruct the
service server to stop or continue a current session. The
historical session information is sent to the analysis device, and
the historical session information is used by the analysis device
to analyze a historical session. The control device is configured
to receive current session information sent by the service server.
The current session information is analyzed, and a control
instruction to be sent to the service server is determined
according to an analysis result of the current session information.
The determined control instruction is sent to the service server.
The current session information is analyzed, so as to obtain an
analysis result. The first control instruction and the second
control instruction are determined according to the analysis result
and sent to the service server, so that the current session
information is filtered, analyses of the received current session
information are reduced, and additional consumption of the control
device is saved. The analysis device is configured to: receive the
historical session information sent by the service server, and
analyze the historical session information, so as to obtain an
analysis result of the historical session.
In one embodiment, the control device is further configured to send
the determined control instruction to the service server; and the
service server is further configured to: receive the control
instruction sent by the control device, and perform an operation
indicated in the control instruction sent by the control device.
Session information sent by the service server is monitored
according to the control instruction, and a session performed by
the service server is determined according to the control
instruction. This improves controllability of a session and a
session is obtained in a more targeted manner.
In one embodiment, the session monitoring system further includes a
message transmission device, and the message transmission device is
configured to receive the current session information and the
historical session information sent by the service server. The
message transmission device is further configured to: add the
received current session information to a current session
information queue of the service server, and send current session
information in the current session queue to the control device. The
historical session information is added to a historical session
information queue of the service server, and historical session
information in the historical session queue is sent to the analysis
device. The message transmission device is disposed, and a queue is
separately created for current session information and historical
session information that are sent by each service server, so that
session transmission can be better controlled.
In one embodiment, the message transmission device is configured to
receive the control instruction sent by the control device. The
control instruction is added to a control instruction queue of a
service server indicated by the instruction, and control
instructions in the control instruction queue of the service server
are sent to the corresponding service server. The message
transmission device is disposed, and a queue is separately created
for the control instructions sent to each service server, so that
control instruction transmission can be better controlled.
According to the session monitoring method, apparatus, and system
in the embodiments of the present invention, a session is
determined as a current session or a historical session, current
session information is sent to a control device, and the current
session information is analyzed, so as to obtain an analysis result
of the current session information. A control instruction is sent
according to the analysis result, and a current session information
sent to the control device is adjusted, or a session with a client
is stopped or continues. A capability of control over the current
session is improved and a current session analysis amount is
reduced. Historical session information is sent to an analysis
device. The historical session information that needs relatively
more analyses is sent to the analysis device, and the analysis
device analyzes the historical session information. Therefore, data
is separately processed according to a requirement. This
facilitates implementation of a session monitoring solution,
reduces resource consumption, and meets a service requirement of
session monitoring.
BRIEF DESCRIPTION OF DRAWINGS
FIG. 1 is a structural relationship diagram of a session monitoring
system according to an embodiment of the present invention;
FIG. 2 is a flow diagram of message transmission of a session
monitoring system according to an embodiment of the present
invention;
FIG. 3 shows a service server according to an embodiment of the
present invention;
FIG. 4 shows a session monitoring method according to an embodiment
of the present invention;
FIG. 5 shows a session monitoring method according to an embodiment
of the present invention;
FIG. 6 shows a service server according to an embodiment of the
present invention;
FIG. 7 shows a control apparatus according to an embodiment of the
present invention;
FIG. 8 shows a service server according to an embodiment of the
present invention; and
FIG. 9 shows a control device according to an embodiment of the
present invention.
DESCRIPTION OF EMBODIMENTS
Technical solutions in embodiments of the present invention are
further described below in detail with reference to accompanying
drawings and embodiments.
The embodiments of the present invention provide a session
monitoring method, device, and apparatus. A session generated after
a service server and a client are connected is obtained from the
service server, and the session is monitored and controlled.
Current session information and historical session information
included in the obtained session information are separately sent.
The historical session information is sent to an analysis device to
be analyzed, and the current session information is sent to a
control device to be analyzed. A control instruction is sent to the
service server according to an analysis result of the current
session information. In the embodiments of the present invention,
the current session information and the historical session
information are separately sent to different devices, so that the
control device and the analysis device are configured differently
according to characteristics of the current session information and
the historical session information, the current session information
is analyzed and controlled, and the historical session information
is analyzed.
FIG. 1 is a structural relationship diagram of a session monitoring
system according to an embodiment of the present invention. As
shown in FIG. 1, the session monitoring system is used to monitor a
session in a distributed system. The distributed system includes a
load balancing device and one or more service servers. When a
client sends a request to the one or more service servers, the load
balancing device receives the request sent by the client, and
allocates the request to any one of the one or more service
servers, so that a connection is established between the client and
the service server, and the client performs another operation on
the service server. When the service server establishes a
connection to the client according to the request sent by the
client, or when the client performs another operation on the
service server after the service server establishes a connection to
the client, a session is performed and session information is
generated. The session information is stored in the service server.
The session monitoring system is used to obtain the session
information from the service server.
Sessions are classified into a current session and a historical
session. The current session is an on-going session, and the
historical session is an ended session. Content of current session
information increases as content of a session between the service
server and the client changes. It should be noted that in a
specific implementation process, a current session and a historical
session are determined according to a moment at which the service
server executes a session information determining instruction. That
is, a current session is a session performed when a session
information determining instruction is executed or in a time period
in which the session information determining instruction is
executed. Correspondingly, a historical session is a session ended
at the foregoing moment or in the foregoing time period. A specific
determining condition may be preset. In an example, the current
session information is stored in the service server, and is easily
modified when a status of the session between the service server
and the client changes. Content of historical session information
is fixed. In an example, the historical session information is
stored in a magnetic disk.
The session monitoring system further includes a message
transmission device, an analysis device, and a control device. The
service server sends the current session information and the
historical session information to the message transmission device.
The message transmission device receives the session information
sent by the service server, and separately sends the session
information to the analysis device and the control device. Session
information sent to the analysis device is the historical session
information, and session information sent to the control device is
the current session information. The analysis device analyzes the
historical session information, and the control device analyzes and
controls the current session information.
In this embodiment of the present invention, the session
information sent to the analysis device is the historical session
information, and the session information sent to the control device
is the current session information. Any device to which the current
session information is sent and that can both analyze the session
information and control, according to an analysis result, the
current session information sent to the device may be the control
device in the sense of this embodiment of the present invention.
Any device that can analyze received session information may be the
analysis device in the sense of this embodiment of the present
invention.
In one embodiment, each piece of session information includes any
one of multiple states such as "Connected", "Login", "Active",
"Logout", and "Disconnected", and includes information, such as a
time, of each state. In an example, the "Connected" state is used
to indicate that a session is created. The "Login" state is used to
determine that a session of the client is performed by a specific
user. The "Active" state is used to indicate frequent operations on
the client. The "Logout" state is used to indicate that a session
of the client is performed not by a specific user but by an
uncertain user. The "Disconnected" state is used to indicate that a
session between the service server and the client is complete and
connection is cut off, or that no session is performed between the
service server and the client in a specific time period (for
example, 30 seconds) and the service server is disconnected from
the client.
The service server is further configured to determine a status of a
session. The service server determines a status of each session, so
as to determine that the status of each session is a current
session or a historical session.
In one embodiment, when determining a status of a session, the
service server determines whether the status includes a
"Disconnected" state, so as to determine that the session is a
current session or a historical session. If a status of a session
includes the "Disconnected" state, information about the session is
historical session information. If a status of a session does not
include the "Disconnected" state, information about the session is
current session information.
The message transmission device is configured to receive the
current session information and the historical session information
sent by the service server. The message transmission device
separately adds, to respective queues, current session information
and historical session information sent by each service server.
That is, for each service server, the message transmission device
includes a current session information queue and a historical
session information queue. The current session information is sent
to the control device according to a sequence of the current
session information queue. The historical session information is
sent to the analysis device according to a sequence of the
historical session information queue.
In one embodiment, when the current session information and the
historical session information are being sent to the control device
and the analysis device respectively, current session information
in the current session information queue is preferably sent to the
control device, so as to ensure that the current session
information can be analyzed in a timely manner, and a control
instruction is sent in a timely manner according to an analysis
result.
In this embodiment of the present invention, the message
transmission device is further configured to receive a control
instruction sent by the control device. Control instructions
received by the message transmission device form different queues
according to different service servers to which the control
instructions are sent, and the control instruction queues are sent
to interaction modules of different service servers.
The message transmission device may be an independent device, and
is connected to a control device, the analysis device, and the
service server by using an Ethernet interface.
In one embodiment, the session monitoring system may not include
the message transmission device. The service server directly sends
the current session information to the control device, and sends
the historical session information to the analysis device. The
analysis device analyzes the historical session information, and
the control device analyzes and controls the current session
information. For example, an FTP protocol interface is configured
on the service server, and the analysis device directly connects to
the service server by using an FTP protocol. The analysis device
sends a request to the service server to obtain the historical
session information in the service server. The FTP protocol
interface configured on the service server is merely an example of
the present invention, and the analysis device may also connect to
the service server by means of SFTP, TFTP, or the like.
The control device receives the current session information, and
analyzes the current session information, so as to obtain an
analysis result of the current session information. A control
instruction is determined according to the analysis result of the
current session information. In this embodiment of the present
invention, the control device may further control the current
session sent to the control device, and control the current session
between the service server and the client.
In one embodiment, the control instruction includes any one of a
first control instruction or a second control instruction. The
first control instruction is used to instruct the service server to
perform one of the following operations: continuing to send all of
the current session information, stopping sending the current
session information, or continuing to send some of the current
session information. After obtaining the current session
information, the control device sends the control instruction to
the service server according to the analysis result of the current
session information. The second control instruction is used to
instruct the service server to stop or continue the current
session.
In one embodiment, the first control instruction may be the
following: "Do not send current session information including
content such as the "Logout" state to the control device".
Alternatively, the first control instruction may be set before
session monitoring. For example, information generated from a
session between the service server and a client that is logged in
by using a terminal of a specific brand (for example, SAMSUNG) or a
specific type is not sent to the control device. Alternatively, the
first control instruction may be the following: After analyzing the
current session information, the control device is disconnected
from the client according to an analysis result of the current
session. For example, a session that is generated between a service
server and a client and that uses a session number "102356" is
disconnected, and the session with the number "102356" becomes a
historical session.
The analysis device is configured to: receive the historical
session information sent by the message transmission device, and
analyze the received historical session information, so as to
obtain an analysis result of the historical session
information.
In this embodiment of the present invention, current session
information and historical session information are separately sent
to different devices. The historical session information that needs
relatively more analyses is sent to a dedicated analysis device,
and the current session information that needs to be analyzed and
controlled according to an analysis result is sent to the control
device. Therefore, not only a data processing capability is
improved, but also a capability of control over some data that can
be controlled is improved.
FIG. 2 is a flow diagram of message transmission of a session
monitoring system according to an embodiment of the present
invention. FIG. 2 schematically shows functional modules that may
be included in each of devices in the session monitoring system in
this embodiment. As shown in FIG. 2, a service server includes a
session agent module. The session agent module is configured to
obtain a session generated after the service server establishes a
connection to a client according to a request from the client. The
session agent module then obtains session information, and the
obtained session information is classified into current session
information and historical session information. The service server
includes a status determining unit. When the session agent module
is obtaining the session information, the status determining unit
determines that the obtained session information is current session
information or historical session information. The session agent
module further includes a session sub-module. The session
sub-module is configured to separately send the current session
information and the historical session information to a message
transmission device. It should be understood that FIG. 2 is merely
an implementation example, and is not construed as a limitation to
the present invention.
In one embodiment, an asynchronous trigger mechanism is set in the
service server. When the service server detects that the current
session information or the historical session information includes
new session information, the service server sends the new session
information to the session sub-module. That the service server uses
the asynchronous trigger mechanism to obtain the session
information is merely a specific implementation in this embodiment
of the present invention, and is not construed as a limitation to
the present invention. In this embodiment of the present invention,
alternatively, new session information included in the service
server may be determined in a polling manner, and then the session
information is sent to the session sub-module.
In this embodiment of the present invention, the session
information further includes a session identifier. The session
identifier is used to differentiate session information generated
in different service servers.
In an embodiment of the present invention, the session agent module
further includes an interaction sub-module. The interaction
sub-module is configured to receive a control instruction. The
control instruction is used to instruct the session agent module
to, for example, stop monitoring a session in current sessions, or
start to monitor a session in the current sessions.
In an example, the control instruction received by the interaction
sub-module may be used to stop a session between the service server
and the client, so that the session becomes a historical
session.
In this embodiment of the present invention, the session agent
module may be a program installed on the service server, so that
session information in the service server may be directly obtained,
and the session information is sent to another device by using an
interface (for example, an Ethernet interface) of the service
server.
When receiving current session information sent by a session
sub-module of a service server, the message transmission device
determines, according to identifier information included in the
session information, the service server that generates the session,
and adds the received current session information to a current
session queue corresponding to the service server. When receiving
historical session information sent by a session sub-module of a
service server, the message transmission device determines,
according to identifier information included in the session
information, the service server that generates the session, and
adds the received historical session information to a historical
session queue corresponding to the service server. Then the message
transmission device sends current session information included in
current session queues of service servers to a control device
according to a queue sequence, and sends historical session
information included in historical session queues of service
servers to the analysis device according to a queue sequence.
The message transmission device further receives a control
instruction sent by the control device. The control instruction
includes information about a service server implementing the
instruction. When receiving the control instruction, the message
transmission device adds the control instruction to a control
instruction queue corresponding to the service server according to
the information about the service server implementing the
instruction, and sends control instructions in the control
instruction queue to an interaction sub-module of a session agent
in the service server according to a time sequence.
In one embodiment, the message transmission device preferably sends
the control instruction to the session agent module, then sends the
control instruction to the interaction sub-module, and sends the
session information to the control device and the analysis device,
so that the control instruction can be sent to the session agent
module in a more timely manner, and the session agent module can,
in a more timely manner, start and stop monitoring the session
information, and stop the session according to the control
instruction.
The control device includes a session analysis unit and a command
unit. The session analysis unit is configured to: receive the
current session information sent by the message transmission
device, and analyze the received session information, so as to
obtain content of the current session. In an example, the current
session information may be analyzed by using multiple processes, so
that the current session information is more quickly analyzed.
The command unit is configured to send a control instruction.
Control instructions are classified into a "first control
instruction" and a "second control instruction". The "second
control instruction" may be used to start or stop monitoring a
session, so as to reduce unnecessary analyses of the current
session information. A specific operating manner of the second
control instruction is disconnecting the session between the
service server and the client. The "first control instruction" is
used to determine current session information sent to the control
device, so as to avoid resource consumption caused by sending all
of the current session information to the control device. The first
control instruction and the second control instruction may be sent
according to a result obtained after the session agent module
analyzes the current session information, or may be sent according
to other information.
In one embodiment, the "first control instruction" is used to
instruct to monitor session information including, for example, an
"Active" state in the current session information. The session
agent module sends corresponding current session information to the
control device according to content of the "first control
instruction".
In one embodiment, the session analysis unit and the command unit
may be implemented by a software program.
To more completely describe this embodiment of the present
invention, the following uses a complete example to describe in
more detail this embodiment of the present invention.
In this example, a session monitoring system includes a service
server, a message transmission device, a control device, and an
analysis device. A distributed system includes a service server and
a load balancing device. This service server and the service server
in the session monitoring system are the same service server, and
the service server includes a first service server and a second
service server. The first service server receives a request from a
first client in multiple clients by using the load balancing
device, and the first service server establishes a connection to
the first client according to the request from the first client,
and generates a first current session.
An asynchronous trigger mechanism is set in the first service
server. The asynchronous trigger mechanism is used to enable
session information to be sent to a first session agent in the
first service server when a new session is generated in the service
server. A status monitoring unit is further disposed in the first
service server. The status monitoring unit is configured to
determine that the session transmitted to the first session agent
is a current session or a historical session. The status monitoring
unit determines that the first current session is the current
session, and the first current session information is transmitted
to a session sub-module of the first session agent. The first
current session information in the session sub-module of the first
session agent is sent to the message transmission device by using a
current session transmission path.
The message transmission device receives the first current session
information from the current session path, and adds, according to
service server information included in the first current session
information, the first current session information to a first
current session queue corresponding to the first service server.
The message transmission device sends session information in a
first current message transmission queue to the control device
according to a time sequence.
The control device receives the first current session information
sent from the first current session queue in the message
transmission device. The session analysis unit in the control
device analyzes the first current session information, and obtains
an analysis result of the first current session information. A
control instruction sent to the first service server is determined
according to the analysis result of the first current session
information. The command unit sends the control instruction to the
service server, and the control instruction is used to instruct the
service server to disconnect from the first client. The control
device sends the control instruction to the message transmission
device.
The message transmission device receives the control instruction,
and adds the control instruction to a first control instruction
queue according to the first service server indicated by the
control instruction. The message transmission device sends control
instructions in the first control instruction queue to the first
service server according to a time sequence.
A first interaction sub-module in the first session agent of the
first service server receives the control instruction. A session
between the first service server and the first client is
disconnected according to the control instruction. A new state
"Disconnected" is added to the information about the first current
session between the first client and the first service server. The
first current session becomes a first historical session. Because
the first historical session is generated, the asynchronous trigger
mechanism in the service server obtains first historical session
information, and sends the information to the first session
agent.
In a specific embodiment of the present invention, that the first
service server and the first client are disconnected according to
the control instruction of the control device is merely an example
of disconnection of the client from the service server. The
disconnection of the client from the service server may be any one
of the following cases: No new session is generated within a time
threshold, or the client actively requests for disconnection. This
is not limited in the present invention. In any case, when a
service server is disconnected from a client, a current session
generated between the service server and the client becomes a
historical session.
The service server sends the first historical session information
to a first session sub-module of the first session agent. The first
session sub-module sends the first historical session information
to the message transmission device by using a historical session
information path.
The message transmission device receives the first historical
session information from the first session sub-module by using the
historical session information path. The message transmission
device adds the first historical session information to a first
historical session information queue according to service server
information included in the first historical session information.
The message transmission device sends historical session
information included in the first historical session information
queue to the analysis device according to a time sequence.
The analysis device receives the first historical session
information sent by the message transmission device. The analysis
device analyzes the first historical session information, and
obtains an analysis result of the first historical session
information.
In this embodiment of the present invention, that the distributed
system includes the first service server and the second service
server is merely an example of the present invention. In this
embodiment of the present invention, any quantity of service
servers may be included. This is not limited in the present
invention.
In this embodiment of the present invention, current session
information and historical session information are separately sent
to different devices. The historical session information that needs
more analyses is sent to a dedicated analysis device, and the
current session information that needs a specific analysis
capability and a specific control capability is sent to the control
device. Therefore, session information is separately processed
according to a requirement, and system efficiency is improved.
An embodiment of the present invention further provides a service
server. FIG. 3 shows the service server according to this
embodiment of the present invention. As shown in FIG. 3, the
service server is applied to a distributed system. The distributed
system includes a load balancing device and multiple service
servers. The load balancing device receives a request from a
client, and allocates the request from the client to one of the
multiple service servers. One of the multiple service servers is
connected to the client, and generates session information. The
session information includes current session information and
historical session information. The service serversession
information is connected to a message transmission device by using
an Ethernet interface. The message transmission device sends the
current session information to a control device, and sends the
historical session information to an analysis device.
Any one of the service servers includes a processor, a memory, and
a persistent storage medium. The processor is configured to process
all requests in the service server.
The persistent storage medium is configured to: store data sent by
a client, and store historical session information generated when
the service server connects to a client. The persistent storage
medium further stores an installed application program, for
example, a session agent program.
The memory is configured to: cache current session information,
modify the current session information by using the processor
according to a change in a connection status, and cache an
instruction and a program that need to be invoked by the processor,
for example, a session agent program and a status determining
instruction.
When the service server starts to run, the service server receives
a request dispatched by the load balancing device. The request is
used to enable the client to establish a connection to the service
server and perform another operation. After the connection is
established between the client and the service server, current
session information is generated, and the current session
information is stored in the memory. Each state included in the
current session information varies according to a connection status
between the service server and the client. When the connection
status between the service server and the client is "Disconnected",
that is, the service server is disconnected from the client, the
current session becomes a historical session, and the current
session information becomes historical session information. The
historical session information is stored in the persistent storage
medium.
When a session between the service server and the client needs to
be monitored, the processor invokes the session agent program, so
as to obtain session information included in the service server.
For the obtained session information, the processor invokes the
status determining instruction to determine that each piece of
session information in the session information is current session
information or historical session information. The current session
information and the historical session information are sent to the
message transmission device by using an interface, for example, an
Ethernet interface.
The service server further receives a control instruction sent by
the message transmission device. The control instruction is used
for controlling the current session information in the service
server. The processor receives the control instruction sent by the
message transmission device, invokes the session agent program,
executes the session agent program to determine the received
control instruction, and executes the control instruction.
In one embodiment, the service server receives a control
instruction sent by the message transmission device. The control
instruction is used to instruct not to monitor information about a
session whose "connection is established before Dec. 31, 2015" in
current sessions. Therefore, the session agent program queries the
current session information, and determines all current sessions
that are in the current session information and whose connections
are established before Dec. 31, 2015. IDs of the determined
sessions are obtained. When the current session information is
being obtained from the service server and sent to the message
transmission device, information about sessions with the foregoing
IDs are not obtained.
FIG. 4 shows a session monitoring method according to an embodiment
of the present invention. The method is used for monitoring a
session in a distributed system. The distributed system includes a
load balancing device and one or more service servers. The load
balancing device is configured to dispatch a request from a client
to the one or more service servers. The request is used by the one
or more service servers for establishing a connection to the client
corresponding to the request, so as to generate session
information. As shown in FIG. 4, the method includes the following
operations.
Operation S401. Determine session information in the service
server, where the session information is generated from a session
between the service server and the client to which a connection is
established, and the session information includes at least one type
of current session information or historical session information,
where a current session is an on-going session, and a historical
session is an ended session.
The service server includes a specified trigger mechanism. The
trigger mechanism is used to determine session information that is
included in the service server and that needs to be sent.
In this embodiment of the present invention, each piece of session
information includes multiple states, such as Connected, Login,
Active, Logout, and Disconnected, and includes information, such as
a time, of each state. The service server further includes a status
determining unit. After the session information is determined, the
status determining unit determines that a status in the session
information is a current session or a historical session. In an
example, if a status in session information includes the
"Disconnected" state, the session information is historical session
information. If a status in session information does not include
the "Disconnected" state, the session information is current
session information.
After determining the session information, the service server sends
the current session information and the historical session
information to a session agent in the service server. The session
agent includes a session sub-module, and the session sub-module
sends the current session information and the historical session
information to a message transmission device. The current session
information is sent by using a current session path. The historical
session information is sent by using a historical session path.
In one embodiment, the session information is sent by using an
interface (for example, an Ethernet interface) of the service
server.
Operation S402. Send the current session information to a control
device, where the current session information is used by the
control device to determine a control instruction, and the control
instruction includes at least one type of a first control
instruction or a second control instruction, where the first
control instruction is used to instruct the service server to
perform one of the following operations: stopping sending the
current session information, continuing to send all of the current
session information, or continuing to send some of the current
session information, and the second control instruction is used to
instruct the service server to stop or continue the current
session.
Before the historical session information is sent to an analysis
device and the current session information is sent to the control
device, the current session information and the historical session
information need to be sent to the message transmission device.
The message transmission device receives the historical session
information, and obtains a service server number included in the
historical session information. Historical session information sent
by each service server is added to a historical session queue
corresponding to the service server. Historical session information
included in the historical session queue is sent to the analysis
device according to a priority of each piece of information in the
queue.
The message transmission device receives the current session
information, and obtains a service server number included in the
current session information. Current session information sent by
each service server is added to a current session queue
corresponding to the service server. Current session information
included in the current session queue is sent to a session analysis
unit of the control device.
The control device receives the current session information sent by
the message transmission device, and analyzes the current session
information, so as to obtain an analysis result of the current
session information. In an example, the current session information
may be analyzed by using multiple processes, so as to improve
analysis efficiency of the current session information.
The control device further includes a command unit. The command
unit is configured to send a control instruction to the service
server, so as to change current session information sent to the
control device. The message transmission device receives the
control instruction sent by the control device. The control
instruction includes information about a service server
implementing the instruction. When receiving the control
instruction, the message transmission device adds the control
instruction to a control instruction queue corresponding to the
service server according to the information about the service
server implementing the instruction, and sends control instructions
in the control instruction queue to an interaction sub-module of a
session agent in the service server according to a time sequence.
The session agent obtains the control instruction, and sends the
control instruction to the service server. The service server
executes the instruction.
Operation S403. Send the historical session information to an
analysis device, where the historical session information is used
by the analysis device to analyze the historical session.
In one embodiment, the analysis device may directly connect to the
service server. An FTP protocol interface is configured on the
service server, and the analysis device directly connects to the
service server by using an FTP protocol. The analysis device logs
in the service server to obtain the historical session information
in the service server. The FTP protocol interface configured on the
service server is merely an example of the present invention, and
the analysis device may connect to the service server by means of
SFTP, TFTP, or the like.
In this embodiment of the present invention, the current session
information and historical session information are sent to a
control device and an analysis device respectively. The analysis
device having a better analysis capability analyzes a historical
session, and the control device having both an analysis capability
and a control capability analyzes and controls a current session.
Therefore, sessions are separately processed according to a
requirement, and session analysis efficiency of a system is
improved.
FIG. 5 shows a session monitoring method according to an embodiment
of the present invention. As shown in FIG. 5, the method includes
the following operations.
Operation S501. A control device receives current session
information sent by a service server, where the current session
information is generated from an on-going session between the
service server and a client.
The control device receives the current session information sent by
a message transmission device.
Operation S502. Determine, according to the current session
information, a control instruction sent to the service server,
where the control instruction includes at least one type of a first
control instruction or a second control instruction, a first
control instruction is used to instruct the service server to
perform one of the following operations: continuing to send all of
the current session information, continuing to send some of the
current session information, or stopping sending the current
session information, and the second control instruction is used to
instruct the service server to stop or continue the current
session.
The control device includes a session analysis unit. The session
analysis unit is configured to analyze the received current session
information, so as to obtain content of the current session. In an
example, the control device may analyze the current session by
using multiple processes, so as to more quickly obtain the content
of the current session. This improves working efficiency of the
control device, and a control instruction can be more efficiently
sent.
The session analysis unit analyzes the current session information,
and obtains an analysis result of the current session information,
and may further determine the control instruction according to the
analysis result of the current session information. Therefore, the
current session information sent to the control device is reduced,
and the session between the service server and the client may be
disconnected.
In one embodiment, the control instruction is used to determine the
content of the current session sent by the service server. For
example, a session whose "connection is established before Dec. 31,
2015" in current sessions is not monitored. Therefore, current
session information received by the control device does not include
information about the current session whose "connection is
established before Dec. 31, 2015".
Alternatively, the control instruction may be disconnecting the
client from the service server generating the session information,
so that the current session information becomes historical session
information.
Operation S503. Send the determined control instruction to the
service server.
After determining that the control instruction needs to be sent to
the service server, the control device sends the control
instruction to the service server by using the message transmission
device. The message transmission device receives the control
instruction sent by the control device. The control instruction is
added to a corresponding control instruction queue in the message
transmission device according to the service server indicated by
the control instruction. Control instructions in the control
instruction queue are sent to the service server corresponding to
the control instruction queue.
In this embodiment of the present invention, current session
information is received, the current session information is
analyzed, and content of a current session is obtained. The current
session is controlled according to the obtained content of the
current session. This improves a capability of using the current
session, reduces current sessions that need to be analyzed, and
improves device efficiency.
FIG. 6 is a schematic diagram of a service server according to an
embodiment of the present invention. As shown in FIG. 6, the
service server may be configured to monitor a session in the
service server. The service server receives a request from a
client, establishes a connection to the client according to the
request to perform a session, and generates session information.
The service server sends the session information to an analysis
device and a control device, and the analysis device and the
control device analyze the session information. The service server
includes a processing unit 601 and a sending unit 602.
The processing unit 601 is configured to determine that the session
information in the service server is current session information or
historical session information. The session information is
generated from the session between the service server and the
client to which the connection is established. A current session is
an on-going session, and a historical session is an ended
session.
An asynchronous trigger mechanism is set in the service server.
When session information included in the service server changes,
the service server determines the changed session information. In
an example, alternatively, session information included in the
service server may be determined in a polling manner in the present
invention.
In this embodiment of the present invention, each piece of session
information includes multiple states, such as Connected, Login,
Active, Logout, and Disconnected, and includes information, such as
a time, of each state. The service server further includes a status
determining unit. After the session information is determined, the
status determining unit determines that a status in the session
information is a current session or a historical session. If a
status in session information includes the "Disconnected" state,
the session information is historical session information. If a
status in session information does not include the "Disconnected"
state, the session information is current session information.
When new session information is generated in the service server or
when a new status change occurs in the session information in the
service server and the service server determines that a new status
change occurs in the session information, the service server
obtains the session information, and a status determining unit
determines that a status in the session information is a current
session or a historical session. If a last state in session
information is "Disconnected", the session information is
historical session information. If a last state in session
information is not "Disconnected", the session information is
current session information.
The sending unit 602 is configured to: send the current session
information to the control device, and send the historical session
information to the analysis device. The current session information
is used by the control device to determine to stop sending the
current session information, continue to send all of the current
session information or send some of current session information, or
stop the current session. The historical session information is
used by the analysis device to analyze the historical session.
In this embodiment of the present invention, a session agent module
is further disposed in the service server. The session agent module
includes a session sub-module. The session sub-module receives the
current session information in the service server, and the current
session information is sent to a second device by using an
interface (for example, an Ethernet interface) of the service
server. The session sub-module receives the historical session
information in the service server, and the historical session
information is sent to a first device by using an interface (for
example, an Ethernet interface) of the service server. In an
example, the first device in this embodiment of the present
invention may be a controller or any other device that can analyze
data and send a control instruction.
In this embodiment of the present invention, the service server
further includes an obtaining unit, and the obtaining unit is
configured to: receive a first control instruction sent by the
control device, and determine, according to the first control
instruction, the current session information sent by the sending
unit to the control device. The obtaining unit is further
configured to: receive a second control instruction sent by the
control device, and determine, according to the second control
instruction, that the service server continues or stops the
on-going current session with the client.
FIG. 7 shows a session control apparatus according to an embodiment
of the present invention. As shown in FIG. 7, the apparatus
specifically includes a receiving unit 701, a processing unit 702,
and a sending unit 703.
The receiving unit 701 is configured to receive current session
information sent by a service server, and the current session
information is generated from an on-going session between the
service server and a client.
The control device receives the current session information sent by
a message transmission device.
The processing unit 702 is configured to determine a to-be-sent
current control instruction according to the current session
information. The control instruction includes either a first
control instruction or a second control instruction or both. The
first control instruction is used to instruct the service server
to: stop sending the current session information, continue to send
all of the current session information or send some of the current
session information, and the second control instruction is used to
instruct the service server to stop the current session with the
client.
The control apparatus includes a session analysis unit. The session
analysis unit is configured to analyze the received current session
information, so as to obtain an analysis result of the current
session information. In one embodiment, the control apparatus may
analyze the current session information by using multiple
processes, so as to more quickly obtain content of the current
session. This improves working efficiency of the control apparatus,
and a control instruction can be more efficiently sent.
After the session analysis unit analyzes the current session
information and obtains the analysis result of the current session
information, the session analysis unit is further configured to
determine the control instruction according to the analysis result
of the current session. This reduces current sessions and
disconnects the session between the service server and the
client.
The sending unit 703 is configured to send the determined control
instruction to the service server.
FIG. 8 shows a service server according to an embodiment of the
present invention. As shown in FIG. 8, the service server includes:
a processor 801, a memory 802, a communications interface 803, and
a bus 804. The processor 801, the memory 802, and the
communications interface 803 implement mutual communications
connection by using the bus 804.
The processor 801 may use a general-purpose central processing unit
(CPU), a microprocessor, an application specific integrated circuit
(ASIC), or one or more integrated circuits, and is configured to
execute a related program, so as to implement technical solutions
provided in the foregoing method embodiments of the present
invention.
The memory 802 may be a read-only memory (ROM), a static storage
device, a dynamic storage device, or a random access memory (RAM).
The memory 902 may store an operating system and another
application program. When the technical solution provided in this
embodiment of the present invention is implemented by using
software or firmware, program code used to implement any optional
technical solution provided in the foregoing method embodiments of
the present invention is stored in the memory 802, and is executed
by the processor 801. The communications interface 803 is
configured to communicate with a switch or a control device.
The bus 804 may include a channel through which information is
transmitted between parts (such as the processor 801, the memory
802, and the communications interface 803) of the device.
FIG. 9 shows a service server according to an embodiment of the
present invention. As shown in FIG. 9, the service server includes:
a processor 901, a memory 902, a communications interface 903, and
a bus 904. The processor 901, the memory 902, and the
communications interface 903 implement mutual communications
connection by using the bus 904.
The processor 901 may use a general-purpose central processing unit
(CPU), a microprocessor, an application specific integrated circuit
(ASIC), or one or more integrated circuits, and is configured to
execute a related program, so as to implement technical solutions
provided in the foregoing method embodiments of the present
invention.
The memory 902 may be a read-only memory (ROM), a static storage
device, a dynamic storage device, or a random access memory (RAM).
The memory 902 may store an operating system and another
application program. When the technical solution provided in this
embodiment of the present invention is implemented by using
software or firmware, program code used to implement any optional
technical solution provided in the foregoing method embodiments of
the present invention is stored in the memory 902, and is executed
by the processor 901. The communications interface 903 is
configured to communicate with a switch or a control device.
The bus 904 may include a channel through which information is
transmitted between parts (such as the processor 901, the memory
902, and the communications interface 903) of the device.
A person in the art may be further aware that, in combination with
the examples described in the embodiments disclosed in this
specification, units and algorithm steps may be implemented by
electronic hardware, computer software, or a combination thereof.
To clearly describe the interchangeability between the hardware and
the software, the foregoing has generally described compositions
and steps of each example according to functions. Whether the
functions are performed by hardware or software depends on
particular applications and design constraint conditions of the
technical solutions. A person skilled in the art may use different
methods to implement the described functions for each particular
application, but it should not be considered that the
implementation goes beyond the scope of the present invention.
Operations of methods or algorithms described in the embodiments
disclosed in this specification may be implemented by hardware, a
software module executed by a processor, or a combination thereof.
The software module may reside in a random access memory (RAM), a
memory, a read-only memory (ROM), an electrically programmable ROM,
an electrically erasable programmable ROM, a register, a hard disk,
a removable disk, a CD-ROM, or any other form of storage medium
known in the art.
In the foregoing specific implementations, the objective, technical
solutions, and benefits of the present invention are further
described in detail. It should be understood that the foregoing
descriptions are merely specific implementations of the present
invention, but are not intended to limit the protection scope of
the present invention. Any modification, equivalent replacement, or
improvement made without departing from the spirit and principle of
the present invention should fall within the protection scope of
the present invention.
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